javascript - Drag scroll with inertia -


i trying create effect iphone touch screen drag scroll inertia desktop browser.

it seems code i'm after:

smoothstep_eo(t) = 2*smoothstep((t+1)/2) - 1

from here - https://stackoverflow.com/a/196209/348174

but i'm having difficulty working out how implement it.

i imagine using code somehow calculate movement of click, drag , release , applying value scrolltotop() frame frame.

any advice on how approach this.

i suggest use cubiq.org's iscroll 5.

it's jquery plugin works , emulating of touch-by-mouse fine.


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